42 results about "Industrial pollution" patented technology

The invention discloses a soil heavy metal pollution detection and remediation hardware system based on isotopic tracing, which relates to the technical field of soil and comprises an isotopic tracing module, a heavy metal detection module, a remediation execution module, a real-time monitoring module, an intelligent regulation and control module and a data storage and transmission module, the data storage and transmission module is connected with the isotope tracing module, the heavy metal detection module, the repair execution module, the real-time monitoring module and the intelligent regulation and control module, and transmits data to a remote monitoring center in a wired or wireless communication mode, so that further data analysis and remote control are carried out; through multi-source data fusion and intelligent algorithm optimization, precise positioning, dynamic monitoring and efficient repairing of heavy metal pollution are achieved, the isotope tracing technology can position a pollution source and predict a diffusion path, and the plant and microorganism synergistic repairing efficiency is improved; the system is suitable for industrial pollution sites, farmlands and other scenes, and has remarkable environmental and economic benefits.

The invention relates to the field of industrial wastewater treatment, in particular to industrial polluted wastewater membrane treatment recycling equipment which comprises a water inlet unit, a membrane treatment unit and a water outlet unit. The water inlet unit comprises a water storage tank; the membrane treatment unit comprises a nanofiltration membrane mechanism, a concentrated water treatment mechanism and a fresh water treatment mechanism; a water outlet of the water storage tank is communicated with a water inlet of the nanofiltration membrane mechanism through a pipeline; a concentrated water outlet of the nanofiltration membrane mechanism is communicated with a water inlet of the concentrated water treatment mechanism through a pipeline; compared with other conventional treatment systems, the industrial polluted wastewater membrane treatment and recycling equipment has high advantages in investment and cost, can greatly reduce the operation cost, is wide in application, can be suitable for municipal wastewater, coal chemical wastewater, power plant wastewater and the like, is high in practicability, and can be used in cooperation with PLC control, so that the industrial polluted wastewater can be recycled. Automatic operation can be achieved, and operation, running and maintenance are convenient.

The application discloses a method for mining influence of industrial pollution on cancer based on improved spatial co-location pattern, and comprises the following steps: calculating offset coordinates of a pollution source instance set, Euclidean distance between cancer instances and pollution source instances, and local average concentration and global average concentration of the pollution source; judging whether a spatial adjacent relationship exists between the cancer instances and the pollution source instances according to a pollution source influence radius; generating a star-shaped neighbor set of the cancer instance set and a star-shaped influence instance table; calculating an improved influence rate, a weighted influence rate and an influence degree of a candidate pattern, and judging a relationship between the influence degree of the candidate pattern and an influence degree threshold value, and outputting a frequent pattern if the relationship is satisfied. The method solves problems of traditional spatial co-location pattern mining methods in co-location relationship mining between pollution sources and cancer, such as unreasonable use of only one distance threshold value to determine the adjacent relationship, and requirement of a participation-based frequency measurement mode to not meet a relationship between the pollution source and a cancer risk.

The invention discloses a pollution grade evaluation method for an urban industrial pollution site, and relates to the technical field of pollution detection, and the method comprises the steps: employing an unmanned aerial vehicle-mounted air pollution detection instrument for inspection, collecting air pollution concentration data in real time, separating a background from a hot spot through a grid mean-standard deviation model, and carrying out the weighting to generate an air pollution index, based on the air pollution index, dynamically regulating and controlling the soil sampling density, carrying out secondary gridding point distribution in a field area, measuring soil pollution concentration data, and obtaining the soil pollution index by using the same'background + hot spot 'weighting strategy; fusing the soil pollution index and the air pollution index as a comprehensive pollution index, and comparing a four-level threshold value to immediately judge the site pollution level; according to the method, air-ground multi-dimensional anomalies are taken into consideration, high-risk area encryption sampling and low-risk area economic evaluation are realized, and an accurate, efficient and visual decision basis is provided for urban brown land redevelopment, treatment and resource release.

The application belongs to the field of microorganisms and the field of environmental protection, and provides at least one urea-producing Paenarthrobacter ureafaciens for degrading atrazine, wherein the urea-producing Paenarthrobacter ureafaciens is preserved in the China General Microbiological Culture Collection Center of the Institute of Microbiology, Chinese Academy of Sciences, located at No. 1, Xiliujia, Beijing Chaoyang District, and has the preservation numbers of CGMCC No. 37944 or CGMCC No. 37943, respectively. The application obtains the urea-producing Paenarthrobacter ureafaciens with high efficiency, wide spectrum and strong environmental adaptability through screening, and finally realizes rapid and complete repair of atrazine contaminated soil by matching an optimized microbial agent formula and a preparation process, so as to reduce repair cost, promote the large-scale application of the microbial repair technology in farmland and industrial pollution sites, and solve many technical bottlenecks in the field of atrazine pollution repair.

The invention relates to the technical field of crossing of electric power engineering and civil engineering, in particular to a concrete electric pole reinforcing structure and method based on UHPC and an original concrete electric pole. The interface treatment layer comprises an epoxy interface agent coated on the surface of the original concrete electric pole and embedded steel bars embedded into the original concrete electric pole; the UHPC reinforcing layer wraps the original concrete pole and is bonded with the interface processing layer; optionally, additional longitudinal bars and annular stirrups are included, the additional longitudinal bars are evenly arranged along the circumference of the electric pole and extend into the UHPC reinforcing layer, and the annular stirrups surround the additional longitudinal bars and are bound with the additional longitudinal bars. The method is suitable for existing concrete electric poles with cracks, steel bar corrosion, concrete stripping and other diseases in 110-500 kV high-voltage transmission lines and durability enhancement protection of newly-built electric poles, and can be stably applied to severe environments such as coastal corrosion, severe cold freezing and thawing and industrial area pollution.

The invention discloses an alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material and a preparation method thereof. The alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material mainly comprises a soil material and an alkali activator, wherein the soil body material comprises in-situ soil, slag, fly ash and bentonite; the alkali activator comprises sodium silicate and sodium hydroxide. The alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material can be obtained by mixing the soil materials according to a certain proportion, then adding the alkali activator, continuing to stir and mix, and maintaining the soil materials to obtain the alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material. Through impermeability and compressive property tests and barrier property experiments, the permeability coefficient and compressive strength of the alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material prepared by the preparation method disclosed by the invention can meet related requirements of Technical Specification for Vertical Barrier of Industrial Polluted Site (HG / T 20715-2020); and a very good barrier effect can be achieved on inorganic heavy metals, organic pollutants and inorganic-organic composite pollutants.

The invention discloses an urban industrial pollution site grading management and control method based on multi-source fusion data, relates to the technical field of pollution site management and control, and solves the technical problems of inaccurate analysis caused by single-dimensional analysis and low management and control efficiency caused by one-step management and control measures. According to the method, the pollution characteristics are described from four dimensions of pollution complexity, extreme concentration, overall strength and space scale by integrating four core indexes of pollutant standard exceeding quantity, maximum standard exceeding multiple, comprehensive standard exceeding multiple and pollution volume, complex scenes of multi-pollutant combined pollution, low-concentration large-range pollution and the like can be covered, the risk level misjudgment rate is reduced, and the risk level accuracy is improved. Quantitative assignment standards of the four indexes are defined, a weight interval is set, subjective experience interference is reduced, large-scale management requirements are met, differential schemes are made for low, medium, high and extremely high risk levels, and compared with existing one-step management and control, the low-risk site treatment cost can be reduced.

This invention discloses a method for treating bisphenol A type epoxy resin wastewater using calcium-based bentonite. The method includes the following steps: centrifuging bentonite powder N times (N=2~3) according to a centrifugation treatment method, collecting the calcium-based bentonite suspension and calcium-based bentonite; mixing the calcium-based bentonite suspension with the bisphenol A type epoxy resin wastewater, adding calcium-based bentonite to obtain a mixed solution; stirring the mixed solution at 50~90 °C, allowing it to stand, and centrifuging to obtain organically modified sodium bentonite with industrial application value and purified wastewater with COD emission levels meeting standards. This method significantly reduces the COD content of bisphenol A type epoxy resin wastewater, meeting the direct COD emission standard in the Chinese national standard GB 31572-2015 "Emission Standard of Pollutants for Synthetic Resin Industry". It requires no chemical modification agents, causes no secondary pollution, has mild reaction conditions, a simple process flow, and low production costs.

The invention relates to the field of industrial pollution prediction, and discloses a method and system for predicting spatial and temporal distribution of pollutants in an industrial accumulation area, and the method comprises the following steps: carrying out the modeling of a pollutant data source in the industrial accumulation area, constructing a pollutant associated data model, and constructing a process-pollutant-environmental medium three-dimensional associated data model; and in combination with Bayesian optimization and Monte Carlo optimization methods, model time sequence prediction and uncertainty quantification are realized, a high-uncertainty pollutant distribution area is output, and finally, the pollutant concentration of the high-uncertainty pollutant distribution area is predicted. According to the method, through innovative multi-modal data fusion, collaborative prediction of heterogeneous graph neural network and physical information embedding and space-time coupled distribution field prediction, a brand new solution is provided for industrial gathering area environment management, and the method has important theoretical significance and practical value.

The invention discloses an industrial gathering area fusion fingerprint spectrum construction method based on deep learning, and the method comprises the steps: obtaining characteristic pollutants and multi-source geographic data of an industrial gathering area, and constructing a multi-source heterogeneous data set through preprocessing; quantizing pollutant weight through variable importance projection, extracting nonlinear features in combination with deep learning, establishing a pollutant and environment response relationship, and forming a first feature set; utilizing an attention gating mechanism and differentiable architecture to search for optimization feature association, constructing a situation refraction domain to identify a key pollution propagation path, and generating an industrial pollution line as a main path; analyzing refraction energy distribution in the path, identifying an energy transition position, performing local topology segmentation, and extracting potential phase state units reflecting different pollution processes; a transition link is constructed based on a phase state unit, an industrial pollution behavior fingerprint is generated, an industrial gathering area fusion fingerprint spectrum is presented through multi-modal fusion and visualization, and a dynamic and explainable technical support is provided for pollution traceability and management and control.

This invention relates to a method and system for delineating atmospheric environmental control zones based on GIS-big data, comprising: acquiring and processing ground monitoring data, satellite remote sensing data, and meteorological data of a target area; constructing a pollutant concentration prediction model; and predicting future pollutant concentrations in the target area using the pollutant concentration prediction model; simulating the diffusion and deposition processes of pollutants using processed meteorological data and topographic data of the target area, and constructing a dynamic distribution map of pollutants based on future pollutant concentrations; detecting temperature inversion phenomena in the dynamic distribution map of pollutants and marking pollutant accumulation areas; and delineating the boundaries of atmospheric environmental control zones based on the dynamic distribution map of pollutants and pollutant accumulation areas, combined with ecologically sensitive areas, industrial pollution sources, and densely populated areas of the target area. This invention enables the spatiotemporal fusion of multi-source heterogeneous data, improves the accuracy of pollutant concentration estimation, and provides strong support for refined monitoring and scientific management of air pollution.

The utility model discloses an MBR (Membrane Biological Reactor) of an industrial polluted water treatment system, which belongs to the technical field of MBRs, and adopts the technical scheme that the MBR comprises a protective frame, an MBR main body is movably connected in the protective frame, fixing components are fixedly connected to two sides of the protective frame, and the MBR main body is fixedly connected with the protective frame. An auxiliary assembly is arranged at the top of the protective frame, and the fixing assembly comprises a fixing support fixedly connected to the outer side of the protective frame. However, the MBR needs to be fixed through a plurality of bolts when being mounted, and the fixing bolts are easy to rust under long-time soaking, so that subsequent disassembly and maintenance are difficult, and the MBR is inconvenient to buffer and protect, so that precision parts in the MBR are easy to damage when shaking occurs, and the service life of the MBR is prolonged. And the service life is influenced.

This invention discloses a method for preparing modified phase change energy storage concrete and its application, belonging to the field of building environmental protection materials technology. The concrete uses rice husk biochar as a base material, which is activated with potassium hydroxide and then grafted with aminophosphonic acid groups for chelation modification. Polyethylene glycol-based phase change materials are loaded and lightly sealed to form composite functional units, which are then incorporated into the concrete matrix in a specific ratio. This invention immobilizes heavy metals through a dual action of physical adsorption and chemical chelation, exhibiting high adsorption capacity and low leaching rate. It also possesses building temperature regulation functions, realizing the resource utilization of agricultural waste. This concrete is suitable for infrastructure construction in industrial contaminated sites, offering low cost, high practicality, and both environmental and economic value.

The utility model discloses a sampling device for atmospheric environment detection belongs to environmental monitoring technical field, and its technical scheme main points include box, the front side fixedly connected with the air inlet pipe of box, and the other end fixedly connected with the air suction plate of air inlet pipe, the inside fixedly connected with the extraction subassembly of box, and the rear side of box bottom is provided with adjusting assembly, the extraction subassembly includes two threaded rods, and the surface of two threaded rods all is connected with the threaded bush of screw thread, and the rear side fixedly connected with the moving motor of threaded rod, solve the inconvenient acquisition of existing sampling device high gas sample, in the actual use process, because of lacking adjusting assembly, lead to difficult to adjust the position of sampling head, cause high altitude sampling difficult, the sampling precision is insufficient under complex scene, difficult to satisfy the demand of industrial pollution source tracking, city three -dimensional point monitoring scene etc., have influenced the comprehensiveness and accuracy of atmospheric environment detection, reduced the practicability of the device's problem.

The invention provides an industrial enterprise carbon pollution emission data list generation method based on artificial intelligence, and relates to the technical field of industrial source carbon pollution emission list accounting, and the method comprises the steps: obtaining raw material information, product information, process information, process information, scale information and treatment facility information submitted by an enterprise; determining an accuracy identification result of the various kinds of information; screening industry pollution discharge information in the database; obtaining corrected raw material information, product information, process information, process information, scale information and treatment facility information; determining emission data of the various pollutants; and generating an industrial enterprise carbon pollution emission data list. According to the invention, by means of a production and pollution discharge coefficient system, a pollutant comparison table can be combed and established, process coefficients are combined, production and pollution discharge links during filling and reporting of enterprises and omission of necessary pollutants are reduced, activity level data thresholds of products, energy consumption and the like are determined, abnormal data in production activity levels are reduced, and the rationality of basic data is improved.

The invention discloses a high-strength cable overhead line, which comprises a composite reinforcing core, a conductor layer, a shielding layer, an insulating layer and a sheath layer, and also discloses a manufacturing method of the high-strength cable overhead line, which comprises the following preparation steps: S1, preparing the composite reinforcing core; s2, conductor layer twisting; s3, performing integrated three-layer synchronous co-extrusion; s4, cross-linking and curing; s5, carrying out post-treatment; according to the invention, the carbon fiber core and the TC4 titanium alloy wire winding layer are compounded with the reinforced core, and the interface bonding is enhanced by matching with the modified epoxy resin adhesive containing nano aluminum oxide, so that the tensile strength is greatly improved compared with that of the traditional steel-cored aluminum stranded wire, and the titanium alloy and the modified adhesive form a dual-corrosion-resistant barrier, so that the cable can tolerate severe environments such as coastal salt mist and industrial pollution, and is suitable for large-scale popularization and application. And the long-term service requirement in a complex environment is met.

The present application belongs to the technical field of rare and precious metal recovery, and particularly relates to a rare and precious metal recovery method for waste crystalline silicon photovoltaic panel cell pieces. The target resources for recovery include indium and / or gallium and / or tellurium and / or silver and / or silicon; the method comprises: 1) pre-treating the cell pieces to obtain cell sand; 2) separating an anode chamber and a cathode chamber by filter cloth, using an inert non-metal electrode as an anode in the anode chamber and an inert metal electrode as a cathode in the cathode chamber, using an acidic sodium chloride aqueous solution as an electrolyte, placing the cell sand in the anode chamber for electrolysis treatment, and depositing the target resources on the surface of the inert metal electrode to realize recovery after the electrolysis treatment is completed. The present application can realize the oxidation leaching and cathode reduction of the target resources by precise control, thereby realizing the efficient recovery of the target resources, and the overall recovery process has low difficulty, low cost and easy industrialization practice, and the purity of the reduction product is high, and a large amount of industrial pollution is not generated, and the present application has the advantages of green environmental protection.

The invention discloses a composite material for treating vinasse wastewater as well as a preparation method and application thereof, and belongs to the technical field of industrial pollutant treatment. The composite material is formed by compounding sulfonated vinasse lignin and chitosan through chemical interaction. The preparation method comprises the following steps: mildly and efficiently extracting lignin from vinasse by using a p-toluenesulfonic acid solution; performing sulfonation modification on lignin by using formaldehyde and sodium sulfite, and introducing a sulfonic acid group; and finally, performing chemical compounding on the sulfonated lignin and the chitosan solution to obtain a final product. The solid waste vinasse in the wine making industry is used as the raw material, the effect of treating waste with waste is achieved, cost is low, and environment friendliness is achieved. Through the synergistic effect of sulfonation and compounding, the prepared material has a rich porous structure and multiple active functional groups, shows efficient synergistic adsorption removal capacity on pollutants such as chemical oxygen demand, total phosphorus and ammonia nitrogen in vinasse wastewater (especially in the advanced treatment stage), and is easy to regenerate and good in recycling performance.

This invention provides a comprehensive corrosion test chamber based on multiple standard salt spray tests, applicable to the field of salt spray corrosion testing technology. The chamber body includes an integrated temperature and humidity control system. Inside the chamber body is a hollow shaft tube, rotatably connected to the top area of ​​the chamber body via a bearing seat. Multiple first nozzles are evenly installed on the hollow shaft tube. In the composite corrosion test mode, the system simultaneously activates the salt solution and gas pathways. While continuously spraying salt mist through the first nozzles, sulfur dioxide gas is evenly diffused into the chamber interior using independently installed second nozzles. This allows for precise simulation of harsh corrosion scenarios ranging from marine atmospheric environments to industrial pollutants on a single device, meeting the testing requirements of different standard systems. This integrated design optimizes the operation process, equipment footprint, and procurement costs, effectively improving testing efficiency and operational standardization.

The utility model discloses a combined type smoke dust sampling device, including installation storehouse and sampling pipe group, and installation storehouse is equipped with connecting hole, heating tube, automatic sampling subassembly, filter membrane sampling subassembly and jet pump, heating tube is equipped with heating rod in, and the bottom surface is connected automatic sampling subassembly, automatic sampling subassembly connects filter membrane sampling subassembly, and filter membrane sampling subassembly bottom is equipped with the gas outlet, the suction port of jet pump is connected with the gas outlet of filter membrane sampling subassembly through the pipe fitting, sampling pipe group sets up in the outside of installation storehouse, and the end is connected with heating tube, the utility model provides combined type smoke dust sampling device, integrates automatic sampling subassembly and filter membrane sampling subassembly, realizes manual and automatic sampling simultaneously, can reduce error when improving efficiency, promotes the subsequent detection accuracy, and heating dehumidification, jet pump suction force guarantees the efficient stable sampling, and the compact structure is convenient to operate, ensures the reliable data, is applicable to industrial pollution source monitoring.

The application discloses a kind of industrial agglomeration area fusion fingerprint atlas construction method based on deep learning, comprising: obtaining industrial agglomeration area characteristic pollutant and multi-source geographic data, and constructing multi-source heterogeneous dataset after preprocessing;By variable importance projection quantification pollutant weight, and combined with deep learning to extract nonlinear characteristics, establish the relationship between pollutant and environment response, form the first feature set;Utilize attention gate mechanism and differentiable architecture search to optimize feature association, build situation refraction domain to identify key pollution propagation path, generate industrial pollution behavior main path;Analysis internal refraction energy distribution of path, identify energy transition position and carry out local topological segmentation, extract potential phase state unit reflecting different pollution process;Based on phase state unit, build transition link, generate industrial pollution behavior fingerprint, through multimodal fusion and visualization present industrial agglomeration area fusion fingerprint atlas, provide dynamic, interpretable technical support for pollution tracing and control.

The application provides a smart city pipe network industrial pollution emergency Internet of Things large model system, method and medium, and belongs to the technical field of city pipe network pollution. The system comprises an emergency supervision management platform, which is configured to: acquire sensing data and image data of a plurality of key nodes in the pipe network; determine an abnormal pollution node based on the sensing data, the image data and respective pollution characteristics of a plurality of regions; generate a predicted pollution path based on the abnormal pollution node and corresponding sensing data; and generate a first gate adjusting instruction comprising a first gate and a preset opening degree, the first gate adjusting instruction being configured to control the first gate to reduce the opening degree to the preset opening degree. The application can realize accurate tracing of illegal pollution sources in a complex pipe network environment and improve emergency response efficiency.

The invention discloses a high-efficiency and energy-saving power distribution box, and relates to the technical field of power distribution boxes, an inner partition metal frame is tightly attached to the surface of a power distribution box body, a weakly alkaline water storage partition frame is mounted on the surface of the inner partition metal frame, and an outer partition metal frame is mounted on the surface of the weakly alkaline water storage partition frame; a conveying pump is installed at the top end of the outer partition metal frame, a four-inclined-face flow guide base is installed at the top end of the outer partition metal frame, and long positioning grooves are formed in the four corner positions of the four-inclined-face flow guide base correspondingly, the conveying pump is used for conveying weakly-alkaline water in the weakly-alkaline water storage partition frame, and the weakly-alkaline water is sprayed out through the long water outlet grooves; the alkalescent water is neutralized with acidic rainwater falling from a seriously-polluted industrial area, corrosion damage of the acidic rainwater to the distribution box is reduced, the distribution box is maintained, the outflow range of the alkalescent water is wider through the four-inclined-plane flow guide base and the four inclined hollow water spraying long plates, and then the alkalescent water can flow from top to bottom to cover the surface of the whole distribution box.

The invention belongs to the technical field of rare and precious metal recovery, and particularly relates to a rare and precious metal recovery method for a waste crystalline silicon photovoltaic panel battery piece. The recovered target resource comprises indium and / or gallium and / or tellurium and / or silver and / or silicon; the method comprises the following steps: 1) pretreating a battery piece to obtain battery sand; (2) separating an anode chamber and a cathode chamber by using filter cloth, taking an inert non-metal electrode as an anode in the anode chamber, taking an inert metal electrode as a cathode in the cathode chamber, taking an acidic sodium chloride aqueous solution as electrolyte, and putting the battery sand into the anode chamber for electrolytic treatment, and after the electrolytic treatment is finished, the target resource is deposited on the surface of the inert metal electrode to realize recovery. According to the method, oxidation leaching and cathode reduction can be conducted on the target resource through accurate control, so that efficient recovery of the target resource is achieved, the overall recovery process is low in difficulty and cost and easy to industrially practice, the purity of a reduction product is high, a large amount of industrial pollution cannot be generated, and the method has the beneficial effects of being environmentally friendly.

The utility model discloses a kind of corrosion-resistant automobile wheel hub cover, belong to wheel hub cover technical field, its technical scheme main points include wheel hub cover main body, the wheel hub cover main body includes main body layer, the surface of the main body layer is provided with reinforcing support layer, the surface of the reinforcing support layer is provided with buffer energy-absorbing layer, by wear-resistant outer layer to resist scratch and wear, corrosion-resistant intermediate layer blocks corrosive medium, buffer energy-absorbing layer resolves impact force, reinforcing support layer provides rigid skeleton, each layer division of labor cooperation, comprehensively promote the weather resistance and damage resistance of wheel hub cover main body, from surface wear to deep anticorrosion, from impact buffering to structure reinforcement, make wheel hub cover suitable for coastal high salt, industrial pollution, complex road conditions and other various severe environment, give consideration to function and beauty, by reinforcing rib of reinforcing support layer and main body layer form stable structure, annular sealing groove and elastic buckle connecting piece ensure firm installation, prevent loosening, falling off due to external force or corrosion.

The application discloses an acid-resistant high-efficiency nitroglycerin denitrifying strain and application thereof, and relates to the technical field of microorganisms. Pseudomonas The strain is Pseudomonas sp. TYF-ZS-P94, is preserved in the China General Microbiological Culture Collection Center (CGMCC), has a preservation number of CGMCC No. 36445, a preservation date of October 31, 2025, a classification name of Pseudomonas sp., and a preservation address of No. 3, Xibaixili, Chaoyang District, Beijing, with a postal code of 100101. Pseudomonas The strain is an acid-resistant high-efficiency nitroglycerin denitrifying strain, can efficiently remove nitroglycerin nitrogen pollution in water bodies, has good denitrification performance under acid stress, has strong acid resistance, is suitable for pharmaceutical wastewater and nitroglycerin industrial wastewater treatment, and has a good application prospect in the field of nitroglycerin nitrogen industrial pollution treatment.

The present application relates to the technical field of industrial pollution treatment, and provides a steel processing smoke dust collecting cloth bag dust collector device convenient to maintain, which comprises a shell, a top cover, a waste gas inlet pipe, a double-layer ventilation plate, a cloth bag dust collector body, an automatic dismounting module, a clean gas discharge pipe and a gas compression tank, arc-shaped limiting blocks one and two are arranged at the two ends of the framework in the cloth bag dust collector body, the arc-shaped limiting block two can penetrate the mounting hole, the automatic dismounting module comprises a control module, a movable ring and a sealing ring, the electromagnet unit in the control module is fixedly arranged on the surface of the annular base, the inner wall of the annular base is provided with a special-shaped groove, the movable ring and the sealing ring are connected with a spring, a magnetic core is embedded on one side of the movable ring, a limiting groove is arranged on the surface of the sealing ring, spherical protrusions are fixedly arranged on the side wall of the sealing ring, a movable pin is fixedly connected to the side of the sealing ring close to the annular base, the movable pin penetrates the movable ring, and the device has the characteristics of high replacement efficiency and simple maintenance.

The utility model provides atmospheric industrial pollution cleaning and purifying equipment which comprises a purifying mechanism, a gas injection mechanism and a flue gas imbedding mechanism, the purifying mechanism comprises a bottom support supported on the ground, an air outlet fan is installed on the side of the top end of the bottom support, and a dispatching hole is formed in the air outlet fan. A pressurizing sleeve is arranged on the side of the top end of the air outlet machine, one end of the pressurizing sleeve is in linkage with a pneumatic pressurizing tank, the middle of the top end of the pneumatic pressurizing tank is sleeved with a pneumatic sleeve, and a gas injection mechanism is arranged in the middle of the top end of the pneumatic sleeve. The bottom support and the air outlet fan are used for pressurization and extraction of gas, in the extraction aspect, the connection of the corresponding sleeving tank is used for pressurization and filtration of the gas, the main purpose of the adopted circular opening and the sleeve is negative pressure extraction of the gas, and the adopted linkage air cylinder and one end of the sleeve base on the two sides can be extracted.

The invention belongs to the technical field of environmental protection, and discloses a method for detecting antibiotics in drainage basin sediments in different seasons and application of the method in comprehensive risk evaluation. Through four-season fixed-point sampling and the layout of eight functional point locations in the whole watershed, pollution monitoring is free of dead angles. Covering an upstream clean contrast area, a midstream agricultural influence area, a downstream industrial pollution discharge area and a drainage basin outlet by point locations, accurately capturing seasonal fluctuation and space migration rules of antibiotic pollution, calculating a comprehensive risk value R by detecting an intensity index and a pollution coverage index, and realizing accurate division of risk grades; the whole watershed can be covered, seasonal differences are considered, detection is efficient and accurate, and comprehensive risk evaluation can be achieved; accurate division of risk levels is realized; drainage basin antibiotic pollution control is improved.